The longer earth pin ensures that the earth path is connected before the live pins, and remains connected after the live pins are removed.
22.
I have several small appliances ( mostly PSUs ) in which the earth pin is made of plastic, ergo it is not electrically connected to anything.
23.
His plug with a retractable earth pin was originally invented when high-power appliances started being supplied with three-pin plugs in the United States in the 1970s.
24.
:Funny, in Australia we use 240v and have gated sockets, but double insulated devices do not have an earth pin-you just have to shove them in hard!
25.
Unlike the standard BS 1363 plugs found in the UK, the earth pin is on a horizontal axis and the line and neutral pins on a vertical axis.
26.
The female XLR connectors are designed to first connect pin 1 ( the earth pin ), before the other pins make contact, when a male XLR connector is inserted.
27.
:: Still though, most household items dont have an earth, only ones with metal casing do, often they dont even have an earth pin, just a dud plastic one.
28.
This mandated active and neutral insulated pins on the "'plugs "'sold for use with these socket-outlets as from 3 April 2005, which somewhat negates any'advantage'of having the earth pin uppermost.
29.
January 1957 : BS 1363 : 1947 Amendment 5, added clause permitting operation of shutters by simultaneous insertion of two or more pins ( in addition to original method using only earth pin ).
30.
The French convention changed circa 2002 from nothing particular, to, if the earth pin was at the top then the line hole in the socket would be on the right looking at the socket.
